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On Wikipedia, GA may refer to Wikipedia:Good articles or the Irish language Wikipedia.

GA, Ga, or ga may refer to:


Businesses, organisations, and government agencies[edit]


Science and technology[edit]

Biology and medicine[edit]

Computing and mathematics[edit]

Other sciences[edit]

  • Gallium, a chemical element with symbol Ga
  • Giga-ampere or GA, an SI unit of electric current equal to 1,000,000,000 (one billion) amps
  • Giga annum or Ga, a unit of time equal to 1,000,000,000 (one billion) years.
  • Tabun (nerve agent) (NATO designation GA)


Other uses[edit]